Step 8 Objective
Know that the sum of probabilities of all mutually exclusive outcomes is 1, and use this when solving problems.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
Probing questions
Why is it helpful to know that the sum of probabilities of all mutually exclusive events is 1?
Give me an example of how you have used this when working on probability problems.